@keyframes animate {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(36000deg);
    }
}
*{
    margin: 0;
    padding: 0;
}
body{
    background-color: #BDBAC1;
    height: 2000px;
    width: 100%;
}
.content {
    position: relative;
    background-color: #BDBAC1;
    border-radius: 100px;
    box-shadow: 28px 28px 56px #59575b, 
    -28px -28px 56px #ffffff;
    width: 600px;
    height: 700px;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.bg {
    display: block;
    margin: 0 auto;
    margin-top: 40px;
    border-radius: 50%;
    animation: animate 1000s linear infinite;
    animation-play-state: paused;
}

.play-btn {
    display: block;
    margin: 0 auto;
    margin-top: 30px;
}
.bgstyle{
    position: absolute;
    margin: 0 auto;
    top: 240px;
    left: 50%;
    transform: translate(-50%, -50%);
    height: 400px;
    width: 400px;
    border-radius: 50%;
}
.kuosan{
    width: 100%;
    height: 100%;
    border-radius: 50%;
    opacity: 0;
    background: #a7702c;
    animation: run 2s infinite;
    animation-play-state: paused;
}
.runit{
    animation-play-state: running;
}
@keyframes run{
    from{
        opacity: 1;
        transform: scale(1);
    }
    to{
        opacity: 0;
        transform: scale(1.2);
    }
}
.play-item{
    position: absolute;
    top: 100px;
    left: 0px;
    transform-origin: 60px 60px;
    transform: rotate(10deg);
}
.play1{
    animation: item 0.5s linear;
    animation-fill-mode: forwards;
}
.play2{
    animation: item2 0.5s linear;
    animation-fill-mode: forwards;
}
@keyframes item{
    0%{transform: rotate(10deg);}
    100%{transform: rotate(-20deg);}
}
@keyframes item2{
    0%{transform: rotate(-20deg);}
    100%{transform: rotate(10deg);}
}